⬆️ Update astral-sh/setup-uv action to v6 (#25)

* ⬆️ Update astral-sh/setup-uv action to v6

* Update README.md

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/markdown-code-runner.yml

@@ -22,7 +22,7 @@ jobs:
           python-version: "3.13.2"
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
 
       - name: Install markdown-code-runner
         run: |

.github/workflows/pytest.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
       - name: Install dependencies
         run: uv sync --all-extras
       - name: Run pytest

README.md

@@ -269,7 +269,7 @@ jobs:
           python-version: "3.13.2"
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
 
       - name: Install markdown-code-runner
         run: |